gravity drop corer 重力取芯器
gravity drop armature 重力式衔铁
gravity drop acceleration 重力降落加速表
It also encourages a gravity drop of recovery arm connecting to the high hip.
它还鼓励恢复臂连接到高髋关节的重力下降。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小,能够完全自动关闭,即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
In this range, the pressure drop increases in proportion to the specific gravity of the mixture.
在这个范围内压力差的增加与混合物的比重成比例。
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